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982062bd75
This basically removes hidden 'all() &' from union/negation of filters. To
achieve that, I have two options: 1. add separate evaluation path (like the
one this commit introduced), or 2. wrap "all()" revset to override predicate
as Box::new(|_| true) function. I took the former since it's less ad-hoc.
We can add an explicit RevsetExpression node to branch between evaluate()
and evaluate_predicate(), but I don't think it would simplify the
implementation at this point. We might need such node if we want to resolve
"all()" at resolve_symbols(). It might be even better to extract a subset of
RevsetExpression enum, which only contains evaluatable nodes.
The cost of 'all() &' isn't significant for most filters. '~merges()' is
the exception. For jj repo,
revsets/:v0.3.0 & (author(martinvonz) | committer(martinvonz))
--------------------------------------------------------------
base 1.06 11.2±0.04m
new 1.00 10.5±0.05m
revsets/~merges()
-----------------
base 1.69 750.0±8.47µ
new 1.00 444.1±3.50µ
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|---|---|---|
| .. | ||
| bench-revsets-git.txt | ||
| fake-diff-editor.rs | ||
| fake-editor.rs | ||